CN110983896B - Sponge city is with humidification ceramic tile - Google Patents
Sponge city is with humidification ceramic tile Download PDFInfo
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- CN110983896B CN110983896B CN201911257372.1A CN201911257372A CN110983896B CN 110983896 B CN110983896 B CN 110983896B CN 201911257372 A CN201911257372 A CN 201911257372A CN 110983896 B CN110983896 B CN 110983896B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/04—Pavings made of prefabricated single units made of bricks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a sponge city humidifying floor tile which comprises a hollow brick body and a honeycomb brick arranged at the upper end of the hollow brick body, wherein a plurality of water inlet grooves are formed in the upper end of the honeycomb brick body in a penetrating mode, communication grooves which are communicated with the water inlet grooves in a one-to-one correspondence mode are formed in the upper end of the brick body, water outlet grooves are formed in the bottom of the brick body, a plurality of water outlet holes are formed in the bottom of the water outlet grooves, the inner wall of each water outlet hole is connected with a plug block in a sealing sliding mode, and floating plates are fixedly communicated with the upper ends of the plug blocks. Has the advantages that: along with the reduction of the water yield in the sponge that absorbs water, its weight shifts up under reducing and then the drive of shrink spring for the baffle can rotate and then realize the water spray, makes the sponge that absorbs water can be supplemented when self lacks water automatically, and then lasts effectually to the honeycomb brick humidification that supplies water, does not need external environment to provide help, can last effectual humidification work that carries on, makes the contribution for the city construction constantly.
Description
Technical Field
The invention relates to the technical field of sponge cities, in particular to a humidifying floor tile for a sponge city.
Background
The sponge city is a new generation of city rainfall flood management concept, and refers to a city which can be like a sponge and has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and the city can also be called as a water elasticity city.
For better construction sponge city, need carry out effectual collection and abundant utilization to the rainwater, the road that the floor tile was laid in the city spreads all over each position in each city, occupied the great surface area in city, can receive sufficient rainwater, and the function of city floor tile is very single at present, can not realize the effective collection and the utilization of rainwater, make the region that the big piece can receive the rainwater wasted, still cause the increase of urban drainage pressure easily, do not do more contributions to the construction in sponge city and the improvement of urban environment, need for one kind can make the ceramic tile that contributes for sponge city construction urgently.
Disclosure of Invention
The invention aims to solve the problem of single function of a city floor tile in the prior art, and provides a sponge city humidifying floor tile.
In order to achieve the purpose, the invention adopts the following technical scheme: a sponge city humidification floor tile comprises a hollow tile body and a honeycomb tile arranged at the upper end of the hollow tile body, wherein a plurality of water inlet grooves are formed in the upper end of the honeycomb tile body in a penetrating mode, communicating grooves communicated with the water inlet grooves in a one-to-one correspondence mode are formed in the upper end of the tile body, a water outlet groove is formed in the bottom of the tile body, a plurality of water outlet holes are formed in the bottom of the water outlet groove, a plug block is connected to the inner wall of each water outlet hole in a sealing and sliding mode, floating plates are fixedly communicated with the upper ends of the plug blocks, a connecting spring is fixedly arranged at the upper ends of the floating plates and the inner top of the tile body together, a control groove is formed in the bottom of the honeycomb tile body, an adsorption block is fixedly arranged at the inner top of the control groove, a rotating shaft is rotatably connected to the inner wall of the control groove through a torsion spring, partition plates and rotating plates are fixedly arranged on the, the bottom of honeycomb brick has seted up the infiltration groove, infiltration groove inside is equipped with moisturizing mechanism.
In the humidification floor tile for the sponge city, the water delivery mechanism comprises a screw fixed to the lower end of the sliding plate, a containing groove is formed in the inner bottom of the brick body, the screw penetrates through the upper end of the brick body and extends into the containing groove, a rotating sleeve is connected to the inner wall of the containing groove in a rotating mode, the inner wall of the rotating sleeve is in threaded connection with the outer wall of the screw, a driving gear is fixed to the outer wall of the rotating sleeve, a rotating drum is connected to the inner bottom of the brick body in a rotating mode, a driven gear meshed with the driving gear is fixed to the outer wall of the rotating drum, an auger rotating shaft is fixed to the inner bottom of the rotating drum, and a plurality of water delivery grooves are formed in.
In the above humidifying floor tile for sponge city, the water replenishing mechanism includes two sets of contracting springs fixed on the top in the water seepage tank, the lower ends of the two sets of contracting springs are both fixed with connecting plates, two connecting plates are jointly fixed with water-absorbing sponge, the upper top of the brick body is penetrated through a water spray tank communicated with the inside of the water seepage tank, the side wall of the water seepage tank is provided with a chute communicated with the inside of the control tank, the inner wall of the chute is connected with a sliding block in a sliding manner, and the side wall of the sliding block is fixed with a push block abutted against the rotating plate.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, by arranging the chock block and the floating plate, rainwater can be stored in a certain amount after entering the brick body, the water outlet can be opened when the storage water level is higher than the position of the floating plate, so that rapid drainage is realized, effective storage of the rainwater is realized, and the rainwater finally flows out of the water outlet at the lower end of the brick body, so that the washing of the bottom in the brick body can be realized in the drainage process, impurities in the brick body are effectively taken away, the reduction of a water storage space in the brick body caused by precipitation and agglomeration of dust entering the brick body along with the rainwater is avoided, and a good water storage effect is ensured;
2. according to the invention, the adsorption block attracts the sliding plate to move upwards to realize the rotation of the driving gear, so that the auger rotating shaft rotates, the spraying utilization of stored accumulated water is realized, and the transmission process of the driving gear to the driven gear is an acceleration transmission, so that the auger rotating shaft can rapidly rotate for multiple circles in a short time, the accumulated water is effectively conveyed and sprayed out, and the utilization efficiency of the accumulated water is improved;
3. according to the invention, the water absorption sponge absorbs water, so that the sprayed accumulated water can be absorbed by most of the water and cannot return to the interior of the brick body after impact, the accumulated water in the water absorption sponge is continuously supplemented into the honeycomb brick, the humidity of the honeycomb brick is increased, the air humidity is further improved, the dryness of a city is relieved, the temperature of the honeycomb brick can be reduced by the accumulated water, the ground temperature is effectively reduced in time, the city temperature is adjusted, and rainwater can contribute to city construction rather than only increase the urban drainage pressure;
4. according to the invention, along with the reduction of the water amount in the water absorption sponge, the weight of the water absorption sponge is reduced, and the water absorption sponge moves upwards under the driving of the contraction spring, so that the partition plate can rotate to realize water spraying, the water absorption sponge can be automatically supplemented when the water absorption sponge is lack of water, water is continuously and effectively supplied to the honeycomb brick for humidification, no help is required to be provided by an external environment, humidification work can be continuously and effectively carried out, and contribution is made to urban construction constantly.
Drawings
Fig. 1 is a schematic structural view of a sponge city humidifying floor tile according to the present invention;
FIG. 2 is a top view of a partition portion of a sponge city humidifying floor tile according to the present invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 1 brick body, 2 honeycomb bricks, 3 water inlet grooves, 4 water outlet grooves, 5 water outlet holes, 6 plug blocks, 7 floating plates, 8 control grooves, 9 sliding plates, 10 screw rods, 11 accommodating grooves, 12 rotating sleeves, 13 driving gears, 14 driven gears, 15 rotating drums, 16 auger rotating shafts, 17 water conveying grooves, 18 water spraying grooves, 19 water seepage grooves, 20 contraction springs, 21 connecting plates, 22 water absorption sponges, 23 sliding grooves, 24 sliding blocks, 25 pushing blocks, 26 rotating shafts, 27 rotating plates, 28 partition plates, 29 adsorption blocks, 30 communication grooves and 31 connecting springs.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-3, a sponge city humidification floor tile comprises a hollow brick body 1 and a honeycomb brick 2 arranged on the upper end of the hollow brick body, the upper end of the honeycomb brick 2 is provided with a plurality of water inlet grooves 3 in a penetrating manner, the upper end of the brick body 1 is provided with a communicating groove 30 communicated with the plurality of water inlet grooves 3 in a one-to-one correspondence manner, the bottom of the brick body 1 is provided with a water outlet groove 4, the bottom of the water outlet groove 4 is provided with a plurality of water outlet holes 5, the inner wall of each water outlet hole 5 is hermetically and slidably connected with a plug block 6, the upper ends of the plurality of plug blocks 6 are fixedly communicated with a floating plate 7, the upper end of the floating plate 7 and the inner top of the brick body 1 are jointly fixed with a connecting spring 31, the bottom of the honeycomb brick body 2 is provided with a control groove 8, the inner top of the control groove 8 is fixed with an adsorption block 29, the inner wall of the control groove 8 is rotatably connected with, adsorb piece 29 and slide 9 and be the permanent magnet, and the one end polarity that is close to mutually is opposite, so inter attraction, and baffle 28 is iron-nickel alloy, can have good magnetism effect of separating, and when baffle 28 was located between adsorbing piece 29 and the slide 9, adsorb the very big reduction of the appeal of piece 29 to slide 9, and the bottom of slide 9 is connected with water delivery mechanism, and infiltration groove 19 has been seted up to the bottom of honeycomb brick 2, and infiltration groove 19 is inside to be equipped with moisturizing mechanism.
The water delivery mechanism comprises a screw rod 10 fixed at the lower end of a sliding plate 9, an accommodating groove 11 is formed in the inner bottom of a brick body 1, the screw rod 10 penetrates through the upper end of the brick body 1 and extends into the accommodating groove 11, a rotating sleeve 12 is rotatably connected to the inner wall of the accommodating groove 11, the inner wall of the rotating sleeve 12 is in threaded connection with the outer wall of the screw rod 10, a driving gear 13 is fixed to the outer wall of the rotating sleeve 12, a rotating drum 15 is rotatably connected to the inner bottom of the brick body 1, a driven gear 14 meshed with the driving gear 13 is fixed to the outer wall of the rotating drum 15, the radius of the driving gear 13 is larger than that of the driven gear 14, the transmission process from the driving gear 13 to the driven gear 14 is acceleration transmission, the rotating drum 15 is guaranteed to be rotated at a sufficient rotating speed, a packing auger rotating shaft 16 is fixed to the inner bottom of the rotating drum 15, a plurality of water delivery grooves 17, the bowl 15 is open at its upper end to a small extent and is capable of assuming a spray condition as the water stream exits.
The water supplementing mechanism comprises two groups of contraction springs 20 fixed at the inner top of the water seepage tank 19, the lower ends of the two groups of contraction springs 20 are both fixed with connecting plates 21, the two connecting plates 21 are jointly fixed with water absorption sponges 22, the upper ends of the water absorption sponges 22 are in a taper shape, when the water of the water absorption sponges 22 is reduced and moves upwards, the upper end of the brick body 1 is abutted against the top of the water seepage groove 19 and further deforms, so that more water inside the brick body flows to the honeycomb brick 2 under extrusion, the utilization rate of absorbed water is improved, the water spraying groove 18 communicated with the inside of the water seepage groove 19 penetrates through the upper top of the brick body 1, the sliding groove 23 communicated with the inside of the control groove 8 is formed in the side wall of the water seepage groove 19, the sliding block 24 is connected to the inner wall of the sliding groove 23 in a sliding mode, the pushing block 25 abutted against the rotating plate 27 is fixed to the side wall of the sliding block 24, the end, close to the connecting plate 21, of the sliding block 24 is an inclined surface, and the sliding block 24 can be pushed to.
In the invention, after the brick body 1 is laid, rainwater enters the brick body 1 through the water inlet groove 3 and the communicating groove 30 during rainfall, and accumulated in the brick body 1, the rainfall amount in the brick body 1 is continuously increased along with the continuous rainfall process, when the water level in the brick body 1 reaches the position of the floating plate 7, the floating plate 7 is subjected to buoyancy given by accumulated water and reaches a maximum value as rainwater submerges the floating plate 7, when the technology completely submerges the floating plate 7, the resultant force of the buoyancy force borne by the floating plate 7 and the elastic force of the connecting spring 31 is enough to drive the chock 6 to move upwards, so that the plugging block 6 can not block the water outlet hole 5 any more, the excessive rainwater can flow out from the bottom of the brick body 1, thereby keeping good drainage, and the earth in the brick body 1 can not be washed in the rainwater drainage process, so that dust and sundries precipitated at the inner bottom of the brick body are taken out, and a sufficient water storage space in the brick body 1 is ensured;
when the water in the water absorption sponge 22 is too low, the weight of the water absorption sponge 22 is greatly reduced, the connection plate 21 drives the water absorption sponge 22 to move upwards under the action of the elastic force of the contraction spring 20, in the process that the connection plate 21 moves upwards, the connection plate 21 is in contact with the sliding block 24 and pushes the sliding block 24 to slide towards the inside of the sliding groove 23, so that the pushing block 25 pushes the rotating plate 27 to move, the rotating plate 27 is stressed to drive the rotating shaft 26 to rotate, the rotating shaft 26 drives the partition plate 28 to rotate, the separation between the adsorption block 29 and the sliding plate 9 is avoided, the adsorption block 29 can attract the sliding plate 9 and drive the sliding plate 9 to move upwards, and the sliding plate 9 drives the screw rod 10 to move upwards;
the screw 10 moves upwards to drive the rotating sleeve 12 to rotate, so that the rotating sleeve 12 drives the driving gear 13 to rotate, so that the driven gear 14 drives the rotary drum 15 to rotate, the auger rotary shaft in the rotary drum 15 rotates along with the rotary drum and conveys accumulated water upwards, because the opening at the upper end of the rotary drum 15 is small, the accumulated water which moves upwards is sprayed on the water-absorbing sponge 22, and then absorbed by the water-absorbing sponge 22, so that the weight of the water-absorbing sponge 22 is greatly increased, the water-absorbing sponge 22 drives the connecting plate 21 to move downwards, the connecting plate 21 does not abut against the sliding block 24 after moving downwards, the rotating shaft 26 will rotate under the action of the spring force of the torsion spring and drive the rotating plate 27 to rotate, so that the slide block 24 returns to the initial position, meanwhile, the partition plate 28 returns to the initial position, the adsorption block 29 is separated from the sliding plate 9 again, so that the adsorption block 29 does not have enough attraction to adsorb the sliding plate 9 any more, and the sliding plate 9 moves downwards under the action of gravity to reset;
and the absorbent water will flow to honeycomb brick 2 along the inclined plane of sponge 22 that absorbs water in the sponge 22 that absorbs water, and absorb by dry honeycomb brick 2, realize the moisture replenishment to honeycomb brick 2, carry out effectual humidification to honeycomb brick 2, and sponge 22 that absorbs water is a continuous process to honeycomb brick 2 transmission moisture, make honeycomb brick 2 can keep sufficient water content, and then effectively deal with outside dry environment and high temperature environment, the moisture in the effectual supplementary air when city temperature risees, and reduce the temperature on ground through the form of moisturizing, realize the effective utilization of rainwater, and can realize the moisturizing of high frequency, can deal with lasting high temperature weather.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (1)
1. The humidifying floor tile for the sponge city comprises a hollow brick body (1) and a honeycomb brick (2) arranged at the upper end of the hollow brick body, and is characterized in that a plurality of water inlet grooves (3) are formed in the upper end of the honeycomb brick body (2) in a penetrating mode, communicating grooves (30) which are communicated with the water inlet grooves (3) in a one-to-one correspondence mode are formed in the upper end of the brick body (1), a water outlet groove (4) is formed in the bottom of the brick body (1), a plurality of water outlet holes (5) are formed in the bottom of the water outlet groove (4), plug blocks (6) are connected to the inner wall of each water outlet hole (5) in a sealing and sliding mode, a floating plate (7) is fixed to the upper ends of the plug blocks (6), a connecting spring (31) is jointly fixed to the upper end of the floating plate (7) and the inner top of the brick body (1), a control groove (8) is formed in the bottom of the honeycomb brick body (2), and an, the inner wall of the control groove (8) is rotatably connected with a rotating shaft (26) through a torsion spring, a partition plate (28) and a rotating plate (27) are fixed on the circumferential side wall of the rotating shaft (26), the inner wall of the control groove (8) is slidably connected with a sliding plate (9), the bottom of the sliding plate (9) is connected with a water delivery mechanism, the bottom of the honeycomb brick (2) is provided with a water seepage groove (19), and a water replenishing mechanism is arranged inside the water seepage groove (19);
the water delivery mechanism comprises a screw (10) fixed at the lower end of a sliding plate (9), an accommodating groove (11) is formed in the inner bottom of the brick body (1), the screw (10) penetrates through the upper end of the brick body (1) and extends into the accommodating groove (11), a rotating sleeve (12) is rotatably connected to the inner wall of the accommodating groove (11), the inner wall of the rotating sleeve (12) is in threaded connection with the outer wall of the screw (10), a driving gear (13) is fixed to the outer wall of the rotating sleeve (12), a rotating drum (15) is rotatably connected to the inner bottom of the brick body (1), a driven gear (14) meshed with the driving gear (13) is fixed to the outer wall of the rotating drum (15), a packing auger rotating shaft (16) is fixed to the inner bottom of the rotating drum (15), and a plurality of water delivery grooves (17) are formed in the side wall of the rotating drum (15);
the water supplementing mechanism comprises two groups of contraction springs (20) fixed to the inner top of a water seepage groove (19), the lower ends of the contraction springs (20) are fixed with connecting plates (21) and two water absorption sponges (22) are fixed to the connecting plates (21) jointly, a water spraying groove (18) communicated with the inner portion of the water seepage groove (19) is formed in the top of the brick body (1) in a penetrating mode, a sliding groove (23) communicated with the inner portion of a control groove (8) is formed in the side wall of the water seepage groove (19), a sliding block (24) is connected to the inner wall of the sliding groove (23) in a sliding mode, and a pushing block (25) abutted to a rotating plate (27) is fixed to the side wall of the sliding block (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911257372.1A CN110983896B (en) | 2019-12-10 | 2019-12-10 | Sponge city is with humidification ceramic tile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911257372.1A CN110983896B (en) | 2019-12-10 | 2019-12-10 | Sponge city is with humidification ceramic tile |
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| CN110983896A CN110983896A (en) | 2020-04-10 |
| CN110983896B true CN110983896B (en) | 2021-05-04 |
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| CN112119876A (en) * | 2020-09-15 | 2020-12-25 | 安徽朗坤物联网有限公司 | Automatic irrigation supply type water supply equipment for high-standard farmland planting |
| CN112227138A (en) * | 2020-10-19 | 2021-01-15 | 王俊 | Ecological environment-friendly street brick |
| CN112127227A (en) * | 2020-10-20 | 2020-12-25 | 黄爱霞 | Sponge city is with ceramic tile that absorbs water |
| CN112523023A (en) * | 2020-12-07 | 2021-03-19 | 张光强 | High-strength drainage and water storage type municipal road floor tile |
| CN113699846B (en) * | 2021-09-10 | 2023-04-25 | 北京安信三通防静电工程技术有限公司 | Epoxy grindstone terrace that wearability is good |
| CN113818538B (en) * | 2021-09-13 | 2023-02-28 | 安徽工程大学 | Urban drainage pipeline sludge separation system |
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| JPH11280007A (en) * | 1998-03-30 | 1999-10-12 | Tokai Rubber Ind Ltd | Pavement material for draining elastic pavement, and draining elastic pavement structure |
| CN105568817A (en) * | 2015-08-27 | 2016-05-11 | 胡振强 | Improved floor brick |
| CN207277112U (en) * | 2017-08-27 | 2018-04-27 | 吴秀平 | A kind of environmental protection of engineering construction is with laying bricks |
| CN207812208U (en) * | 2018-01-22 | 2018-09-04 | 蔡美珠 | A kind of architectural engineering ecological ceramic tile |
| CN109972471A (en) * | 2018-12-21 | 2019-07-05 | 金牛城建集团有限公司 | A kind of permeable road structure for sponge urban construction |
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2019
- 2019-12-10 CN CN201911257372.1A patent/CN110983896B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280007A (en) * | 1998-03-30 | 1999-10-12 | Tokai Rubber Ind Ltd | Pavement material for draining elastic pavement, and draining elastic pavement structure |
| CN105568817A (en) * | 2015-08-27 | 2016-05-11 | 胡振强 | Improved floor brick |
| CN207277112U (en) * | 2017-08-27 | 2018-04-27 | 吴秀平 | A kind of environmental protection of engineering construction is with laying bricks |
| CN207812208U (en) * | 2018-01-22 | 2018-09-04 | 蔡美珠 | A kind of architectural engineering ecological ceramic tile |
| CN109972471A (en) * | 2018-12-21 | 2019-07-05 | 金牛城建集团有限公司 | A kind of permeable road structure for sponge urban construction |
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Effective date of registration: 20210416 Address after: Room 23-29, building 8, taiyangqiao building materials market, Tonghai Road, Yueyang Economic and Technological Development Zone, Yueyang City, Hunan Province Applicant after: Hunan Katie Engineering Technology Co.,Ltd. Address before: 450000 new campus of Zhengzhou University, 100 science Avenue, hi tech Zone, Henan, Zhengzhou Applicant before: Liang Dong |
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